import {
  constantRouterMap,
  asyncRouterMap,
  allRoutes
} from '@/router'

import {
  recursionRouter,
  setDefaultRoute
} from '@/utils/recursion-router'

import * as api from '@/utils/recursion-role'

/**
 * 通过meta.role判断是否与当前用户权限匹配
 * @param roles
 * @param route
 */
function hasPermission(roles, route) {
  if (route.meta && route.meta.roles) {
    return roles.some(role => route.meta.roles.includes(role))
  } else {
    return true
  }
}

/**
 * 递归过滤异步路由表，返回符合用户角色权限的路由表
 * @param routes asyncRouterMap
 * @param roles
 */
function filterAsyncRouter(routes, roles) {
  const res = []
  routes.forEach(route => {
    const tmp = {
      ...route
    }
    if (hasPermission(roles, tmp)) {
      if (tmp.children) {
        tmp.children = filterAsyncRouter(tmp.children, roles)
      }
      res.push(tmp)
    }
  })
  return res
}



const permission = {
  state: {
    routers: constantRouterMap,
    addRouters: [],
    addRoles: api.letMap
  },
  mutations: {
    SET_ROUTERS: (state, routers) => {
      state.addRouters = routers
      state.routers = constantRouterMap.concat(routers)
    },
    SET_ROLES: (state, listroles) => {
      state.addRoles = listroles
    }
  },
  actions: {
    async GenerateRoutes({
      commit
    }, data) {
      return new Promise(resolve => {
        const {
          roles
        } = data

        const {
          role
        } = data

        const {
          rolelist
        } = data


        /*  根据权限筛选出我们设置好的路由并加入到path='/'的children */
        // let routes = recursionRouter(role, allRoutes)
        // let MainContainer = asyncRouterMap.find(v => v.path === '/')
        // let children = MainContainer.children
        // children.push(...routes)

        let accessedRouters
        // let accessedRoles



        // if (roles.includes('admin')) {
        accessedRouters = asyncRouterMap
        // } else {
        // accessedRoles = api.SetAccessRule(rolelist, api.urlMap, api.letMap)
        // accessedRouters = filterAsyncRouter(children, roles)
        // }
        // commit('SET_ROLES', accessedRoles)
        commit('SET_ROUTERS', accessedRouters)
        resolve()
      })
    }
  }
}

export default permission